Asked by Amy

What annual rate of interest is required to double an investment in 3 years?
Answered by Amy
i tried solving this but got .23 instead of 26%
Answered by helper
I know at 7% interest an investment will double in 10 years, but this doesn't help you.

let me see what I can find

is your problem simple interest?
Answered by Amy
I think so, yes A = Pe^(r)(t)
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